Spot Forecast
Issued by NWS Boston, MA

000
FNUS71 KBOX 261757
FWSBOX

Spot Forecast for Northfield wildfire...Dcr fire control
National Weather Service Boston/Norton MA
157 PM EDT Fri Apr 26 2024

Forecast is based on forecast start time of 1500 EDT on April 26.
If conditions become unrepresentative, contact the National
Weather Service.

.DISCUSSION...

Sunny skies continue for the remainder of the afternoon with high
temps topping out in the lower 60s. Minimum relative humidity
values will remain quite low in the 15 to 20 percent range with
rather light and variable winds. Temperatures will fall quickly
after sunset and relative humidity values should rise above 30
percent by 8 pm or so. Winds will continue to be very light to
calm.


.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 63.
Min humidity........16 percent.
Dewpoint............16.
Max apparent temp...63.
Surface winds (mph).Light winds.
Wind (20 ft)........Light winds.
Mixing height.......8000 ft AGL.
Transport winds.....Northwest 7 to 8 mph.
Smoke dispersal.....Good (46300 knot-ft).
LVORI...............1.
ADI.................56 increasing to 66 late in the afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
CEILING (KFT).......25.
Eye level winds.....Light winds.

TIME (EDT)      3PM 4PM 5PM
Sky (%).........0   1   0
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0
Temp............62  63  63
Dewpoint........16  16  17
RH..............16  16  17
Heat index (F)..62  63  63
20 FT wind dir..NW  NW  NW
20 FT wind spd..3   3   3
20 FT wind gust.6   7   6
Eye lvl wnd dir.NW  NW  NW
Eye lvl wnd spd.2   2   2
Eye lvl wnd gst.4   4   4
Surface wnd dir.NW  NW  NW
Surface wnd spd.3   3   3
Surface wnd gst.6   7   6
Mix hgt (kft)...7.7 7.8 8.0
Transp wind dir.NW  NW  NW
Transp wind spd.7   7   8
LVORI...........1   1   1
ADI.............56  56  66
Haines index....4   4   4
Vrate kt-ft/1K..46  47  56
Ventrate Cat....FR  FR  FR
Ceiling (kft)...25  25  25

.TONIGHT...

Sky/weather.........Clear. Patchy frost after midnight.
CWR.................0 percent.
Min temperature.....Around 29.
Max humidity........88 percent.
Dewpoint............20 increasing to 26 around midnight.
Min apparent temp...31.
Surface winds (mph).Light winds.
Wind (20 ft)........Light winds.
Mixing height.......200 ft AGL.
Transport winds.....North around 7 mph shifting to the east 5 to 6
                    mph in the evening, then shifting to the south
                    around 5 mph after midnight.
Smoke dispersal.....Good (32300 knot-ft) early in the evening
                    decreasing to poor (800 knot-ft) late in the
                    night.
LVORI...............4.
ADI.................42 decreasing to 2 to 3.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
CEILING (KFT).......25.
Eye level winds.....Light winds.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   3   0   0   0   0   0   0   0   0   1   1
Weather cov.....                            PTY PTY PTY PTY PTY
Weather type....                            FST FST FST FST FST
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............60  56  52  48  44  42  39  36  34  32  31  31
Dewpoint........19  20  21  21  22  24  25  26  28  28  28  28
RH..............20  24  29  34  41  48  57  67  78  85  88  88
Heat index (F)..60  56  52  48  42  40  37  33  31  32  31  31
20 FT wind dir..W   SE  SE  SE  SE  SE  S   S   S   S   S   S
20 FT wind spd..3   2   2   2   3   3   3   3   3   2   2   2
20 FT wind gust.6   5   5   5   6   6   6   6   6   5   5   5
Eye lvl wnd dir.W   SE  SE  SE  SE  SE  S   S   S   S   S   S
Eye lvl wnd spd.2   1   1   1   2   2   2   2   2   1   1   1
Eye lvl wnd gst.4   3   3   3   4   4   4   4   4   3   3   3
Surface wnd dir.W   SE  SE  SE  SE  SE  S   S   S   S   S   S
Surface wnd spd.3   2   2   2   3   3   3   3   3   2   2   2
Surface wnd gst.6   5   5   5   6   6   6   6   6   5   5   5
Mix hgt (kft)...5.4 2.8 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
Transp wind dir.N   NE  E   E   E   E   SE  S   S   S   S   S
Transp wind spd.7   6   5   5   5   5   5   5   5   5   5   5
LVORI...........1   2   2   2   2   2   3   3   4   5   6   6
ADI.............42  3   2   2   2   2   2   2   2   2   2   2
Haines index....4   4   4   4   3   3   3   3   3   3   3   3
Vrate kt-ft/1K..32  14  1   1   1   1   1   1   1   1   1   1
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25

$$
Forecaster...Frank
Requested by...Zach favreau
Type of request...WILDFIRE
.TAG 2412565.0/BOX
.DELDT 04/26/24
.FormatterVersion 2.0.0
.EMAIL favreauzj10@gmail.com